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e11b2f955b
- src/toc-section.ts: string-derived TOC section find/remove/insert - src/toc-generator.ts: TOC rendering with injected stripHeadingForLink - src/heading-filter.ts: pattern validation/compilation, heading filtering - 43 unit tests covering detection, insertion, idempotence, filtering
78 lines
3 KiB
TypeScript
78 lines
3 KiB
TypeScript
import { describe, it, expect, vi } from 'vitest';
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import { validatePattern, compilePatterns, filterHeadings } from '../src/heading-filter';
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import { makeIsTOCTitle } from '../src/toc-section';
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import { DEFAULT_SETTINGS } from '../src/types';
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import type { Heading } from '../src/types';
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const isTitle = makeIsTOCTitle('Table of Contents');
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const settings = { ...DEFAULT_SETTINGS };
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const h = (level: number, text: string): Heading => ({ level, text });
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describe('validatePattern', () => {
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it('accepts a valid pattern', () => {
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expect(validatePattern('^Draft').isValid).toBe(true);
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});
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it('rejects an empty pattern', () => {
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expect(validatePattern(' ').isValid).toBe(false);
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});
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it('rejects an overlong pattern', () => {
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expect(validatePattern('a'.repeat(101)).isValid).toBe(false);
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});
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it('rejects a syntactically invalid pattern with the error message', () => {
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const result = validatePattern('[unclosed');
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expect(result.isValid).toBe(false);
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expect(result.error).toBeTruthy();
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});
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});
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describe('compilePatterns', () => {
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it('compiles valid patterns case-insensitively', () => {
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const compiled = compilePatterns(['^draft']);
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expect(compiled).toHaveLength(1);
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expect(compiled[0]!.test('Draft notes')).toBe(true);
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});
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it('skips invalid patterns and reports them', () => {
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const onInvalid = vi.fn();
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const compiled = compilePatterns(['[bad', '^good$'], onInvalid);
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expect(compiled).toHaveLength(1);
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expect(onInvalid).toHaveBeenCalledWith('[bad', expect.any(String));
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});
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});
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describe('filterHeadings', () => {
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it('excludes H1 when configured', () => {
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const result = filterHeadings([h(1, 'Title'), h(2, 'Section')], { ...settings, excludeH1: true }, [], isTitle);
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expect(result).toEqual([h(2, 'Section')]);
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});
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it('keeps H1 when not excluded', () => {
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const result = filterHeadings([h(1, 'Title')], { ...settings, excludeH1: false }, [], isTitle);
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expect(result).toEqual([h(1, 'Title')]);
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});
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it('enforces max depth', () => {
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const result = filterHeadings([h(2, 'A'), h(5, 'Deep')], { ...settings, maxDepth: 4 }, [], isTitle);
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expect(result).toEqual([h(2, 'A')]);
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});
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it('excludes H2s matching a TOC title (self-exclusion)', () => {
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const result = filterHeadings([h(2, 'Table of Contents'), h(2, 'TOC'), h(2, 'Real')], settings, [], isTitle);
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expect(result).toEqual([h(2, 'Real')]);
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});
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it('does not self-exclude non-H2 headings with TOC-like names', () => {
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const result = filterHeadings([h(3, 'Index')], settings, [], isTitle);
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expect(result).toEqual([h(3, 'Index')]);
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});
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it('applies exclude patterns', () => {
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const compiled = compilePatterns(['^draft']);
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const result = filterHeadings([h(2, 'Draft: ideas'), h(2, 'Final')], settings, compiled, isTitle);
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expect(result).toEqual([h(2, 'Final')]);
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});
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});
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